Perhaps you should try some spelling variations:
hieu van » hieu va, thien van
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va
cac xuc » cam xuc, cac nuoc, chat xuc
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
lua tre » cua tre, luy tre, dua tren
xuc va » duc va, tuc va, luc va
vi lua » vi luu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ly nang x ho. ((hieu ve) or (((hieu van) OR (lieu va)))) cac xuc va danh vi lua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang x ho. ((hieu ve) OR (((hieu van) OR (lieu va)))) cac xuc va danh vi lua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly nang x ho. ((hieu ve) or (((hieu van) OR (lieu va)))) cac xuc va danh vi lua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang x ho. ((hieu ve) or (((hieu van) OR (lieu va)))) cac xuc va danh vi lua tre*.